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Most startups fail. But many of those failures are preventable. The Lean Startup is a new approach being adopted across the globe, changing the way companies are built and new products are launched.

Eric Ries defines a startup as an organization dedicated to creating something new under conditions of extreme uncertainty. This is just as true for one person in a garage or a group of seasoned professionals in a Fortune 500 boardroom. What they have in common is a mission to penetrate that fog of uncertainty to discover a successful path to a sustainable business.

The Lean Startup approach fosters companies that are both more capital efficient and that leverage human creativity more effectively. Inspired by lessons from lean manufacturing, it relies on “validated learning,” rapid scientific experimentation, as well as a number of counter-intuitive practices that shorten product development cycles, measure actual progress without resorting to vanity metrics, and learn what customers really want. It enables a company to shift directions with agility, altering plans inch by inch, minute by minute.

Rather than wasting time creating elaborate business plans, The Lean Startup offers entrepreneurs - in companies of all sizes - a way to test their vision continuously, to adapt and adjust before it’s too late. Ries provides a scientific approach to creating and managing successful startups in a age when companies need to innovate more than ever.

Editorial Reviews

Review

"The Lean Startup has a kind of inexorable logic, and Ries’ recommendations come as a bracing slap in the face to would-be tech moguls: Test your ideas before you bet the bank on them. Don’t listen to what focus groups say; watch what your customers do. Start with a modest offering and build on the aspects of it that prove valuable. Expect to get it wrong, and stay flexible (and solvent) enough to try again and again until you get it right. It’s a message that rings true to grizzled startup vets who got burned in the Great Bubble and to young filmgoers who left The Social Network with visions of young Zuckerberg dancing in their heads. It resonates with Web entrepreneurs blessed with worldwide reach and open source code. It’s the perfect philosophy for an era of limited resources, when the noun optimism is necessarily preceded by the adjective cautious." —Wired

"Eric has created a science where previously there was only art. A must read for every serious entrepreneur—and every manager interested in innovation." —Marc Andreessen, co-founder of Andreessen Horowitz, Opsware Inc. and Netscape

“This book should be mandatory reading for entrepreneurs, and the same goes for managers who want better entrepreneurial instincts. Ries’s book is loaded with fascinating stories—not to mention countless practical principles you’ll dearly wish you’d known five years ago.” —Dan Heath, co-author of Switch and Made to Stick

“Ries shows us how to cut through the fog of uncertainty that surrounds startups. His approach is rigorous; his prescriptions are practical and proven in the field. The Lean Startup will change the way we think about entrepreneurship. As startup success rates improve, it could do more to boost global economic growth than any management book written in years.” —Tom Eisenmann, Professor of Entrepreneurship, Harvard Business School“The Lean Startup is the book whose lessons I want every entrepreneur to absorb and apply. I know of no better guide to improve the odds of a startup's success."—Mitchell Kapor, Founder, Lotus Development Corp."At Asana, we've been lucky to benefit from Eric's advice firsthand; this book will enable him to help many more entrepreneurs answer the tough questions about their business."—Dustin Moskovitz, co-founder of Facebook and Asana“Ries' splendid book is the essential template to understand the crucial leadership challenge of our time: initiating and managing growth!” —Warren Bennis, Distinguished Professor of Business, University of Southern California and author of the recently published, Still Surprised: A Memoir of a Life in Leadership."The Lean Startup isn't just about how to create a more successful entrepreneurial business, it's about what we can learn from those businesses to improve virtually everything we do. I imagine Lean Startup principles applied to government programs, to healthcare, and to solving the world's great problems. It's ultimately an answer to the question 'How can we learn more quickly what works, and discard what doesn't?'"— Tim O'Reilly, CEO O'Reilly Media

“Eric Ries unravels the mysteries of entrepreneurship and reveals that magic and genius are not the necessary ingredients for success but instead proposes a scientific process that can be learnt and replicated. Whether you are a startup entrepreneur or corporate entrepreneur there are important lessons here for you on your quest toward the new and unknown.” —Tim Brown, CEO of IDEO“The roadmap for innovation for the 21st century. The ideas in The Lean Startup will help create the next industrial revolution.” —Steve Blank, lecturer, Stanford University, U.C. Berkeley Haas Business School

"The key lesson of this book is that start-ups happen in the present—that messy place between the past and the future where nothing happens according to PowerPoint. Ries's ‘read and react’ approach to this sport, his relentless focus on validated learning, the never-ending anxiety of hovering between ‘persevere’ and ‘pivot’, all bear witness to his appreciation for the dynamics of entrepreneurship." —Geoffrey Moore, Author, Crossing the Chasm"If you are an entrepreneur, read this book. If you are thinking about becoming an entrepreneur, read this book. If you are just curious about entrepreneurship, read this book. Starting Lean is today's best practice for innovators. Do yourself a favor and read this book." —Randy Komisar, founding director of TiVo and author of the bestselling The Monk and the Riddle“How do you apply the 50 year old ideas of Lean to the fast-paced, high uncertainty world of Startups? This book provides a brilliant, well-documented, and practical answer. It is sure to become a management classic.” —Don Reinertsen, author of The Principles of Product Development Flow“The Lean Startup is a foundational must-read for founders, enabling them to reduce product failures by bringing structure and science to what is usually informal and an art. It provides actionable ways to avoid product-learning mistakes, rigorously evaluate early signals from the market through validated learning, and decide whether to persevere or to pivot, all challenges that heighten the chance of entrepreneurial failure.” —Professor Noam Wasserman, Harvard Business School“One of the best and most insightful new books on entrepreneurship and management I’ve ever read. Should be required reading not only for the entrepreneurs that I work with, but for my friends and colleagues in various industries who have inevitably grappled with many of the challenges that The Lean Startup addresses.” —Eugene J. Huang, Partner, True North Venture Partners"What would happen if businesses were built from the ground up to learn what their customers really wanted? The Lean Startup is the foundation for reimagining almost everything about how work works. Don't let the word startup in the title confuse you. This is a cookbook for entrepreneurs in organizations of all sizes." —Roy Bahat, President, IGN Entertainment

“Every founding team should stop for 48 hours and read Lean Startup. Seriously stop and read this book now.” —Scott Case, CEO Startup America Partnership“In business, a ‘lean’ enterprise is sustainable efficiency in action. Eric Ries’ revolutionary Lean Startup method will help bring your new business idea to an end result that is successful and sustainable. You’ll find innovative steps and strategies for creating and managing your own startup while learning from the real-life successes and collapses of others. This book is a must read for entrepreneurs who are truly ready to start something great!” —Ken Blanchard, coauthor of The One Minute Manager® and The One Minute Entrepreneur

“Every entrepreneur responsible for innovation within their organization should read this book. It entertainingly and meticulously develops a rigorous science for the innovation process through the methodology of “lean thinking”. This methodology provides novel and powerful tools for companies to improve the speed and efficiency of their innovation processes through minimum viable products, validated learning, innovation accounting, and actionable metrics. These tools will help organizations large and small to sustain innovation by effectively leveraging the time, passion, and skill of their talent pools.”—Andrea Goldsmith, professor of Electrical Engineering at Stanford University, and cofounder of several startups“Business is too important to be left to luck. Eric reveals the rigorous process that trumps luck in the invention of new products and new businesses. We've made this a centerpiece of how teams work in my company . . . it works! This book is the guided tour of the key innovative practices used inside Google, Toyota, and Facebook, that work in any business.” —Scott Cook, Founder and Chairman of the Executive Committee, Intuit

About the Author

ERIC RIES is an entrepreneur and author of the popular blog Startup Lessons Learned. He co-founded and served as CTO of IMVU, his third startup, and has had plenty of startup failures along the way. He is a frequent speaker at business events, has advised a number of startups, large companies, and venture capital firms on business and product strategy, and is an Entrepreneur-in-Residence at Harvard Business School. His Lean Startup methodology has been written about in the New York Times, the Wall Street Journal, the Harvard Business Review, the Huffington Post, and many blogs. He lives in San Francisco.

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I had two primary issues with the book. First, the books is written by a software guy for software guys and start-ups. I can only recall one reference in all the pages to a hardware product. So this books in not for anyone that is looking to create physical and tangible products. In fact, hardware is hard and my research hasn't found anything remotely useful in applying lean start-up principles to hardware.

Second, the focus of the book is on "what" a lean start-up is and doesn't provide actionable information. Diarrhea of the word processor resulted in a 365 page definition of a lean start-up, where it could have been boiled down to less than 100 pages (minus 1-star for waste...Distill it down to an A3 using Lean Thinking). So let me save you some time.

1. An entrepreneur is a person who creates a business around a product or service under conditions of "extreme uncertainty", and should ascend the vision-strategy-product pyramid. (Google: Start with Why TEDx - Ries redefines that concept)2. A start-up is a phase of the entrepreneur's organization, tasked with the goal of reducing the condition of "extreme uncertainty", and finding a sustainable business model (Google: Lean Business Model Canvas).3. Use customer discovery (class) and validated learning (method) to find a sustainable business model around your product or service idea. The validated learning method of Build-Measure-Learn is synonymous with Plan-Do (Build), Check (Measure), and Act (Learn) cycle, which as most people know is derived from the scientific method. a. Build a Minimum Viable Product (MVP) b. Measure using Actionable Metrics instead of Vanity Metrics. c. Learn from your MVP and Actionable metrics and Pivot to improve problem/solution and product/market fit or Persevere.4. Finally, use lean principles (i.e. small batch sizes, 5 whys root cause analysis, chief engineer, blah, blah, blah) to stream-line your operation once you've found a viable business model and are ready to leave the start-up phase and enter the growth phase. (Minus 1-star: As a hardware guy and having extensive experience in lean it's blatantly obvious Ries is just starting his lean journey and his last section (Accelerate) is superficial, survey, regurgitation of some of the lean tools and ideas).

I bought into the hype of this so called "bible" of entrepreneurship after being force fed with it in innovation and entrepreneurship classes at university. It is ranked as the quintessential entrepreneurship book/movement of our time, but let me warn you, it's not. Don't fall into this half baked, candy coated approach to 'successful' business creation.

This book could've easily been a 2 page essay but instead it is a 300 page college-esque (and very boring) essay. It also feels like an ad for Eric Ries' unheard-of internet businesses. There is nothing Lean about the Lean Startup, it should be called the Learn Startup instead. The Lean Startup approach to business creation kills disruption and true innovation, it is a guide for building a catered (incrementally improved at best) business. If Henry Ford followed this we would indeed have faster horses. Read Thiel's From Zero to One instead. This is garbage.

The author represents the MBA approach to Bay Area startups. With a Yale BA and a Harvard MBA he has been the object of a lot of press coverage on his theory of lean startups and how it can be applied in more traditional business settings. He advice is to not waste years trying to make a business work. Kill it and move on. He goes into detail on how he did not follow this advice, wasting thousands of hours producing a product that was not well received because the market research did not ask the right questions and the product's users were not asked what they wanted. Being stubborn, the author and his partners kept at it until they stumbled onto the right answers after several tries. I guess the author is saying he has learned his lesson now. His latest startup is a people's stock exchange not beholden to short term gains.

Assuming you are reading the other product reviews, I'll try not to duplicate what I've noticed other reviewers are writing about The Lean Startup by Eric Ries.

I will say this though:

o Eric tells a lot of stories to make his points, and focuses as much on convincing us to buy into the Lean Startup principles as he does teaching them. I like the stories though, and I bet I would really like this guy if I were to meet him.

o Eric sometimes gushes a bit about startups which are so young that I wonder if it is too early to call them a success. For example, Ries spends over 3 pages talking about Obama and Dodd-Frank, and praises the fledgling (at that time) Consumer Federal Protection Bureau for CONSIDERING his suggestion of starting their agency (with its $500 million budget) like it is a lean startup.

Again, these are 3 pages talking about how the CFPB *could* use lean startup methodologies, not about how they have actually used them.

Given the extremely limited usefulness of anecdotes such as these, you can't help but wonder if Eric in those moments more focused on trying to put people's names in a book than he is at giving readers something solid to benefit from.

At any rate, it's still a great book and definitely worth the money.

That said, if you want more of the HOW TOs of Lean Startup, I'm currently reading both Steve Blank's The Startup Owners Manual and Ash Maurya's Running Lean, and while I'm not finished with either of them yet, I can definitely tell you they take Eric's teachings to the next level -- and then some.